A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5999-00-344-1909
NSN 5905-00-459-6943
NSN 6150-01-158-5327
NSN 6620-01-420-3386
NSN 5925-01-328-2053
NSN 6240-01-038-3761
NSN 6240-00-453-9630
NSN 6620-01-617-3915
NSN 6110-01-131-9621
NSN 6620-01-485-0556
NSN 6685-00-493-9851
NSN 5996-01-024-9976